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Gold King Mine Spill

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On Wednesday August 5, 2015, during an EPA mine site investigation of the Gold King Mine near Silverton, CO, heavy equipment disturbed loose material plugging the mine entrance. Apparently, acid mine drainage had built up behind the material, which unexpectedly gave way due the water pressure in the tunnel, and a torrent of water gushed out of the tunnel. This accident resulted in the release of approximately 3 million gallons of contaminated water into Cement Creek which flows into the Animas River.

View the history and timeline of Cement Creek Treatment

Recent News

December 25, 2015

Public bill for Gold King spill looms, EPA seeks liable owners
– Bruce Finley, The Denver Post


What are Bulkheads?
– Kirstin Brown, Colorado Division of Reclamation Mining & Safety

When our river turned orange
– Jonathan Thompson, High Country News, August 9, 2015

Comments of Jonathan Thompson Article
– Bill Simon, Coordinator, ARSG

Stakeholders have a long history of success
– Bill Simon, Coordinator, ARSG, Durango Herald, September 12, 2015

Animas River Stakeholders Group: An unlikely alliance for watershed health in the San Juans
– Samantha Wright